To balance the given equation, we apply elemental balance and count each elements per side. There are 2 nitrogens in the left side so there should be 2 moles of NO2. Since there are already 4 moles of O in the right side, there should be 2 moles of O2. Hence answer is a. Place the coefficient 2 in front of oxygen and nitrogen dioxide.
It’s most likely missing water
plants need to be watered in order to survive
Enzymes in our body increases the speed of chemical digestion.
Answer:
It creates stress in rock.
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